Hi community, during some boots I got some delays caused by problems with ahci. Here are some important parts of dmesg [ 1.489748] ahci 0000:02:06.0: version 3.0 [ 1.489806] ahci 0000:02:06.0: PCI INT D -> GSI 17 (level, low) -> IRQ 17 [ 1.499888] ahci 0000:02:06.0: irq 40 for MSI/MSI-X [ 1.499970] ahci: SSS flag set, parallel bus scan disabled [ 1.509999] ahci 0000:02:06.0: AHCI 0001.0100 32 slots 2 ports 3 Gbps 0x3 impl SATA mode [ 1.530575] ahci 0000:02:06.0: flags: ncq sntf stag pm led clo only pmp pio slum part ccc [ 1.553243] ahci 0000:02:06.0: setting latency timer to 64 [ 1.555153] scsi0 : ahci [ 1.567174] scsi1 : ahci [ 1.578902] ata1: SATA max UDMA/133 abar m1024@0xd0150000 port 0xd0150100 irq 40 [ 1.602065] ata2: SATA max UDMA/133 abar m1024@0xd0150000 port 0xd0150180 irq 40 .. [ 6.966133] ata1.00: qc timeout (cmd 0xf8) [ 6.976514] ata1.00: failed to read native max address (err_mask=0x4) [ 6.986874] ata1.00: HPA support seems broken, skipping HPA handling [ 12.351097] ata1: link is slow to respond, please be patient (ready=0) [ 17.002126] ata1: COMRESET failed (errno=-16) [ 17.316160] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [ 17.326003] ata1.00: ATA-7: SFCA4096H1BR4SA-I-D0-216-STD, 20100106, max UDMA/133 [ 17.345593] ata1.00: 7876512 sectors, multi 0: LBA [ 17.356196] ata1.00: configured for UDMA/133 [ 17.366705] scsi 0:0:0:0: Direct-Access ATA SFCA4096H1BR4SA- 2010 PQ: 0 ANSI: 5 [ 17.388704] sd 0:0:0:0: [sda] 7876512 512-byte logical blocks: (4.03 GB/3.75 GiB) [ 17.410993] sd 0:0:0:0: [sda] Write Protect is off [ 17.422086] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 [ 17.422199] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 17.444823] sda: sda1 sda2 [ 17.456766] sd 0:0:0:0: [sda] Attached SCSI disk [ 17.725177] ata2: SATA link down (SStatus 0 SControl 300) 02:06.0 SATA controller [0106]: Intel Corporation Platform Controller Hub EG20T SATA AHCI Controller [8086:880b] (rev 01) (prog-if 01 [AHCI 1.0]) Flags: bus master, fast devsel, latency 0, IRQ 40 I/O ports at e000 [size=32] Memory at d0150000 (32-bit, non-prefetchable) [size=1K] Expansion ROM at d0100000 [disabled] [size=128K] Capabilities: [40] MSI: Enable+ Count=1/1 Maskable- 64bit- Capabilities: [50] Power Management version 2 Capabilities: [60] SATA HBA v1.0 Kernel driver in use: ahci Any ideas? -- Christian Gmeiner, MSc -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
